The Parker 13773-12-12-SM is a genuine Parker straight hose fitting designed for robust hydraulic systems. This fitting features a 3/4 inch hose connection on one end and a 3/4 inch NPTF (National Pipe Taper Fuel) male pipe thread on the other, ensuring a secure and leak-free connection. It is engineered for high-pressure applications with Parker No-Skive hose series 301, 302, 303, 304, 351ST, 351TC, 421, 422, 424, 426, 431, 436, 451ST, 451TC, 471, 472, 477, 482, 487, 601, 604, 611, 641, 642, 671, 677, 681, 687, 721, 722, 781, 782, 787, 791, 792, 797, 881, 887, 891, 897, 911, 919, 981, and 991. Constructed from durable steel, this fitting provides reliable performance in demanding industrial and mobile equipment environments.